Which element of the science process cannot be changed?

A. A theory

B. An experiment procedure

C. A data record

D. A hypothesis

Answer:

C. Membrane-bound Nucleus

Explanation:

There are several differences between the two, but the biggest distinction between them is that eukaryotic cells have a distinct nucleus containing the cell's genetic material, while prokaryotic cells don't have a nucleus and have free-floating genetic material instead.

Hope this helped UwU

The answer is mutualistic

Answer:

The cell was first discovered and named by Robert Hooke in 1665. it is the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body. A cell has three main parts: the cell membrane, the nucleus, and the cytoplasm.

Explanation:

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Pharyngeal arches found in all vertebrate embryos are homologous and the bones that support the wings of birds, pterosaurs and bats are homologous.

Pax6 gene is homologous at least to the level of a Bilateria. It is responsible for both insect compound eyes and vertebrate eyes. But the Pax6 gene originated before the origin of eyes in both lineages and must have been independently adopted by both lineages. So it is not homologous, despite seemingly appearing that it is resulting in different organs with the same origin. Pharyngeal arches found in all vertebrate embryos are homologous. The gill supports in fish and the throat structures in mammals originate from pharyngeal arches. The ability to fly using elongated wings in birds, bats, and pterosaurs is not homologous. All these wings despite having some purpose originated independently from one another. The bones that support the wings of birds, pterosaurs and bats are homologous and have the same origin despite having been used for supporting different kinds of wings. The skin flaps for gliding in sugar gliders and flying squirrels have different origins but the same purpose so they are not homologous.

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Answer:

organ: reproduction of self

Explanation:

Emergent properties are defined as the properties that arises when different system components working together and it do not represent property of an individual.

Self reproduction of an organ is not an emergent property because it is representing an individuals property and do not show any interaction with other level of organisation.

Hence, the correct answer is "organ: reproduction of self ".

Answer:

Christianity was first introduced to South Africa in the 1600s when large numbers of Christian missionaries began arriving from the Netherlands. Further missionaries from the United Kingdom, France, Germany, Scandinavia and the United States started to arrive from the early 1800s.

Explanation:

Christianity was first introduced to South Africa in the 1600s when large numbers of Christian missionaries began arriving from the Netherlands. Further missionaries from the United Kingdom, France, Germany, Scandinavia and the United States started to arrive from the early 1800s.

Answer:

the smooth muscle. hope that helps :)

The cardiovascular, digestive and endocrine systems, has the system of the glands that has been that secrete the hormones that has been directly just into the main bloodstream.

A circulatory system has been defined as the system in the body that has been consists of the heart, blood vessels, arteries, veins and blood that all combined together to supply blood to all the parts of the body and takes up waste material from it.

Circulatory system have been four major components and these are heart, veins, arteries, and blood. These are the four components that combined and form cardiovascular system.

Therefore, The cardiovascular, digestive and endocrine systems, has the system of the glands that has been that secrete the hormones that has been directly just into the main bloodstream.

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Answer:

sounds like conductors

The genetic components that make up an organism's genotype. The term "genotype" also refers to the set of alleles or genetic variations that a person possesses within a certain gene or genetic region.

A heterozygous genotype means that an organism has both a dominant and a recessive allele.

This genotype is referred to in our scenario as Bb.

Last but not least, a genotype in which there are two recessive alleles in an organism is known as homozygous recessive.

Heterozygosity, as opposed to homozygosity, has two distinct alleles.

Our parents appeared in various guises to you.

When two alleles are heterozygous, the dominant allele wins out over the recessive one.

Therefore, the dominant characteristic will emerge.

We are carriers even though we won't exhibit the recessive trait.

the parts of an organism's genome that make up its genotype.

The set of alleles or genetic variations that a person possesses inside a certain gene or genetic area is also referred to as their genotype.

Therefore, the genetic components that make up an organism's genotype. The term "genotype" also refers to the set of alleles or genetic variations that a person possesses within a certain gene or genetic region.

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part of the microscope is needed to be adjusted to have better contrast when viewing a specimen under the microscope is condenser.

A microscope is a lab tool used to study items that are too small to be seen with the human eye. The study of small structures and objects under a microscope is known as microscopy. Microscopic refers to something that, without the use of a microscope, is undetectable to the eye. There are many distinct kinds of microscopes, and they can be categorised in several ways. One option is to explain how an instrument interacts with a sample and generates images, for as by passing an electron or light beam past the sample in its optical path, measuring photon emissions from the sample, etc.

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To analyze the sale price data using descriptive statistics and frequency distribution, we can use various tools such as charts and figures to present and aid in the analysis.

The measure of central tendency is used to describe the central or average value of a dataset. There are three commonly figures used measures of central tendency: mean, median, and mode.

Mean: The mean is the sum of all values divided by the total number of values. It is sensitive to extreme values and provides a balanced representation of the data.

Median: The median is the middle value of a dataset when it is arranged in ascending or descending order. It is not affected by extreme values and provides a representative value for the central tendency.

Mode: The mode is the value that appears most frequently in the dataset. It is useful for identifying the most common value or category.

To determine which measure of central tendency to use for analyzing the sale price data, we need to consider the characteristics of the data distribution and the purpose of the analysis. If the data is approximately normally distributed and there are no extreme values or outliers, the mean can be a suitable measure. However, if the data is skewed or has outliers, the median may provide a better representation sales manager of the central tendency. Additionally, if the data has multiple modes or is categorical, the mode can be used to identify the most common sale price category.

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Answer:

Just below the upper epidermis, the palisade mesophyll layer is made up of densely grouped, elongated cells. They perform the majority of photosynthesis and have chloroplasts.

Explanation:

What is photosynthesis?

The process by which plants convert carbon dioxide, water, and sunshine into oxygen and sugar-based energy is known as photosynthesis.

Chloroplasts, which house the chlorophyll in plants, are where photosynthesis occurs. The thylakoid membrane, a third inner membrane that creates long folds inside the chloroplast and is bordered by a double membrane, is present inside chloroplasts.

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Answer:

An adult fern

Explanation:

The life cycle of a fern starts with an adult fern, that's ready to either fertilize or release its seeds to start the actual cycle of life.

Answer:

1. Carbon dioxide is released during the process of cellular respiration

2. Exchange of gases in plants takes place through the cracks in bark is Lenticel

3. Yeast undergoes aerobic respiration

4. The final products obtained in the anaerobic respiration are lactic acid, carbon dioxide, and water

5. ATP-Adenosine Triphosphate is the energy currency of the cells.

6. The breathing and respiration in woody stem of a plant takes place through lenticels

7. During Marathon race, we sometimes get painful contractions of leg muscles due to the accumulation of lactic acid

8. The process of respiration which releases energy takes place inside the cells of the body is known as cellular respiration

9. The mechanism by which organisms obtain oxygen from air and release carbon dioxide is called breathing.

10. Seat of respiration is mitochondria

Credit to Kirstenbruke3376

Answer:

The axolotl, Ambystoma mexicanum, also known as the Mexican walking fish, is a neotenic salamander related to the tiger salamander. Although colloquially known as a "walking fish", the axolotl is not a fish but an amphibian. The species was originally found in several lakes, such as Lake Xochimilco underlying Mexico City. Axolotls are unusual among amphibians in that they reach adulthood without undergoing metamorphosis. Instead of developing lungs and taking to the land, adults remain aquatic and gilled.

Explanation:

Answer:

prokaryotic

Explanation:

I just took the test!

Bicoid RNA is in the cytoplasm. It is highest in the anterior and lowest in the posterior. Bicoid RNA is then translated into protein. It is a transcription factor that goes into the nucleus. Bicoid protein is in the nucleus. It is highest in the anterior and lowest in the posterior.

At the cell's front, bicoid mRNA is in fact anchored. Neither does the mRNA appear to form significant clumps nor does it appear to be caught at the ends of the microtubules that carry it. Instead, it creates tiny, clearly defined particles, whose size doesn't change as the egg grows.

Only when an egg develops does bicoid mRNA get created. Here, we demonstrate that the stability of bicoid mRNA is controlled. Bicoid mRNA is stable in retained oocytes, unfertilized eggs, and throughout the first two hours of embryogenesis, although specific degradation is triggered at blastoderm cellularization.

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The article titled "Random Forests: From Early Developments to Recent Advancements" by Fawagreh K, Gaber MM, and Elyan E discusses the progress made in the field of random forests.

1. Random forests: Random forests are a type of machine learning algorithm that is used for classification and regression tasks. They are composed of multiple decision trees, where each tree independently makes a prediction, and the final prediction is based on the majority vote of all the trees.

2. Early developments: The article discusses the early developments in random forests. These include the work of Leo Breiman, who introduced the random forest algorithm in 2001. He proposed the idea of using random subsets of features and bootstrap aggregating (bagging) to improve the performance of decision trees.

3. Recent advancements: The article also highlights recent advancements in the field of random forests. These include modifications to the algorithm to handle imbalanced datasets, feature selection techniques to improve the interpretability of the models, and parallelization strategies to speed up the training process.

4. Importance of random forests: Random forests have gained popularity in various domains due to their ability to handle high-dimensional data, handle missing values, and deal with non-linear relationships between features and target variables. They have been successfully applied in fields such as healthcare, finance, and remote sensing.

5. Citation details: The article was published in the "Systems Science & Control Engineering" journal in 2014. The DOI (Digital Object Identifier) is provided as doi:10.1080/21642583.2014.956265.

Overall, the article provides insights into the historical developments and recent advancements in the field of random forests, highlighting the significance and versatility of this machine learning algorithm.

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Answer:

Soil Forming Factors

Parent material. Few soils weather directly from the underlying rocks. ...

Climate. Soils vary, depending on the climate. ...

Topography. Slope and aspect affect the moisture and temperature of soil. ...

Biological factors. Plants, animals, micro-organisms, and humans affect soil formation. ...

Time.

Explanation:

Antibodies are protiens

These sports include all the above, which are:a) Weight-class sports such as boxing or wrestling.b) Those where appearance is judged along with performance, such as gymnastics.c) Those where thinness is thought to lead to improved performance.

Athletes in certain sports are at an increased risk for developing eating disorders due to the pressure to perform well. The body image issues are closely associated with the athletes in certain sports. They often feel that they have to maintain a certain weight or body shape to perform well in their sport. Some sports require athletes to be in a specific weight class while others require athletes to have a specific appearance.

Thus, athletes in certain sports are at an increased risk for developing eating disorders.

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The process where warmer, less dense air rises and cooler, more dense air sinks is known as convection.

Convection is the heat transfer process that occurs when there is a difference in temperature and density within a fluid or a gas. In the context of atmospheric patterns, convection plays a significant role in driving weather and climate.

When a portion of the atmosphere is heated, such as by the Sun's radiation, the air molecules within that region gain energy and become warmer. As warm air is less dense than cool air, it tends to rise due to buoyancy. This upward movement of warmer air is known as convectional uplift. As the warm air rises, it cools down, loses heat to the surrounding environment, and eventually becomes cooler and more dense.

Conversely, cooler air tends to sink as it is denser. This downward motion of cooler air is known as subsidence. The sinking air warms up as it descends, creating areas of high pressure.

In the Earth's mantle, a similar convection process occurs, but with the flow of material (rock) instead of air. The heat transfer through convection drives the flow of material with contrasting temperatures in the mantle, leading to processes such as plate tectonics and volcanic activity.

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Cell differentiation can occur when different proteins are manufactured as a result of cells producing different types of Nitrogenous bases

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The process of protein synthesis is known as translation. During this process, the mRNA is being copied into an orderly sequence of amino acids to produce a polypeptide.

During gene transcription, a fragment of DNA called gene is used as a template to generate a complementary messenger RNA (mRNA) sequence.

Afterward, this mRNA will be used as a template to create a protein by a process called translation.

The linear order of triplets of nucleotides or codons in mRNA will be used to add ordered amino acids to the growing polypeptide chain (i.e., the protein).

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Answer:

When two or more atoms link up, they create a molecule . A molecule of water is made of two atoms of hydrogen (H) and one atom of oxygen (O). The molecular mass is the sum of the masses of all the atoms in the molecule. A collection of molecules is called a compound.

Explanation:

hope this helps :D

Answer:

A AND E

Explanation:

Biotic factors found in the savanna biome include all animals such elephants, giraffes, lions, zebras, monkeys and cheetahs. Biotic factors also include all fungi and bacteria found in the savanna.

Answer:

It is A D AND E I know because I just did this

Explanation:

In eukaryotic cells, the endomembrane system is a collection of organelles and membranes that collaborate to transport, package, and alter lipids and proteins.

Proteins from the ER are further processed and sorted in the Golgi apparatus, or Golgi complex, where they are then transported to their final locations—lysosomes, the plasma membrane, or secretion—for use in other processes.

Flattened sacs are layered one on top of the other to form the Golgi body. Its purpose is to process secretory and synthetic products coming from the ER before delivering the final goods into various cell regions or secreting them outside the cell.

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Answer:

1. Aa can make A and a

2. AA can make A

3. aa can make a

Explanation:

The gametes are the sex cells that consist of the n number of the chromosome in the cells and fused together to generates new diploid offspring in the next generation.

If a parent has Aa in its cell the gametes are produced are each has half of the number of the chromosomes or allele segregated and assorted independently in the gametes than each sex cell would have an A and a.

similarly, in the case of AA it can produce gametes A and A in each gamete and in the case, of aa  it can produce gametes a and a in each gamete